retirement from the NFL after six seasons in Buffalo. His retirement came after multiple head and neck injuries throughout his career, citing it was the main concern of other teams not signing him after workouts in 2017, including the Jaguars, Texans, and Chiefs. References External links Buffalo Bills bio Texas Longhorns bio NFL combine bio ESPN bio Aaron Williams' Twitter 1990 births Living people Players of American football from San Jose, California African-American players of American football American football cornerbacks American football safeties Texas Longhorns football players Buffalo Bills players 21st-century African-American sportspeople